hot sale tungsten wire

Specification

1. Purity: 99.95%

2. Grade: W1, W2

3. Density: 19.3g/cm3

Chemical composition

Mark	Tungsten content	Impurity element content
		Total content	Each element content
WAL1,WAL2	≥99.95%	≤0.05%	≤0.01%
W1	≥99.95%	≤0.05%	≤0.01%
W2	≥99.92%	≤0.08%	≤0.01%
Note: potassium as impurities

The diameter of the tungsten and the allowed tolerance:
Diameter (μm)	200 mm silk piece weight	200mm Silk weight tolerance (%)			Diameter tolerance (%)
		Level 0	LevelⅠ	LevelⅡ	Level 0	LevelⅠ	LevelⅡ
5≤d≤12	0.075~0.44		±4	±5
12<d≤18	>0.44~0.98		±3	±4
18<d≤40	>0.98~4.85		±2.5	±3
40<d≤80	>4.85~19.39	±2	±2.0	±2.5
80<d≤300	>19.39~272.71	±1.5	±1.5	±2.0
300<d≤350	>272.71~371.79	±1.0	±1.0	±1.5
350<d≤500					±1.5	±2.0	±2.5
500<d≤1800					±1.0	±1.5	±2.0

Technical Process

Tungsten Powder → Isostatic Pressing → Bar Billet →Sintering → Semi-finished bar → Forging → Swaging → Polished → End products → Inspection → Packing

Application

* For producing electric light source parts and electric vaccum components

* For producing heating elements and refractory parts in high temperature furnaces

* For producing heating elements used in vaccum metalizing or plating

Terms

1. Type of payment: T/T , Escrow , Western Union, L/C , etc.

2. Payment Terms: Decided by two sides.

Packing & shipping

1. Packaging: Vacuumize in side wooden case out side.

2. Shipping: All shipping terms are ok.

About us

* We are one of the largest producers of refractory metals in China and obtained the China Credit Example Certificate in 2007.

* With the combination of Japanese excellent technique and Chinese lower cost materials, we are supplying high quality Refractory Metal products to different customers. These products are widely used in different areas, like Aerospace, Nuclear, High-temperature Furnace, Glass, Ceramics, Crystal Growing, Medical Appliance, Light, Evaporating Coating, etc.

* We can offer sheets, rods and strips of Tungsten, Molybdenum, Tantalum, Niobium and their alloys. Other processed parts can be offered according to your demands.

We are looking forward to establishing good and cooperative relationships with you.